.txt.txt May 2026

is this for (Windows, macOS, or a custom app)? Knowing this will help me refine the code or steps!

When a user attempts to save a file as .txt.txt , a warning should appear stating: "The extension '.txt.txt' is unusual. Did you mean '.txt'?" This helps prevent user confusion. To make this feature even better, let me know: .txt.txt

Default text editors (e.g., Notepad, TextEdit) SHOULD open .txt.txt files directly. is this for (Windows, macOS, or a custom app)